Short-Hair Cottongrass
Calliscirpus brachythrix
- Native to:
- United States
iNaturalist: © pemoore (iNaturalist #85643236)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Calliscirpus
- Species:
- Calliscirpus brachythrix
- USDA Symbol:
- CABR30
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Graminoid
- Height:
- 30 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- may,jun,jul
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, songbirds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, nutrient-rich, well-drained soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- prefers wetland or riparian zones
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 7–21 days
- Notes:
- Requires light for germination. Seeds should be surface sown on saturated substrate and kept consistently wet.
The above propagation data sourced from Claude AI